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  <title>需求</title>

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  <h2 class="title">需求</h2>
  <p class="para">
   The SQLSRV extension can be used on the following operating systems:
   <ul class="simplelist">
    <li class="member">Windows Vista Service Pack 2 or later</li>
    <li class="member">Windows Server 2008 Service Pack 2 or later</li>
    <li class="member">Windows Server 2008 R2</li>
    <li class="member">Windows 7</li>
   </ul>
  </p>
  <p class="para">
   The SQLSRV extension requires that the Microsoft SQL Server 2012 Native 
   Client be installed on the same computer that is running PHP. If the Microsoft 
   SQL Server 2012 Native Client is not already installed, click the appropriate link below 
   to download it:
  <ul class="simplelist">
    <li class="member"><a href="http://go.microsoft.com/fwlink/?LinkID=239647" class="link external">&raquo;&nbsp;Download the x86 package</a></li>
    <li class="member"><a href="http://go.microsoft.com/fwlink/?LinkID=239648" class="link external">&raquo;&nbsp;Download the x64 package</a></li>
   </ul>
  </p>
  <p class="para">
   The SQLSRV download comes 8 driver files, four of which are for PDO support. 
   If you are running non-thread-safe PHP (PHP 5.3), use the php_sqlsrv_53_nts.dll 
   file. (You should use a non-thread-safe version if you are using IIS as your 
   web server). If you are running thread-safe PHP, use the php_sqlsrv_53_ts.dll 
   file. Similarly for PHP 5.4, use the php_sqlsrv_54_nts.dll or php_sqlsrv_54_ts.dll
   depending on whether your PHP installation is non-thread-safe or thread-safe.
  </p>
  <p class="para">
  The most recent version of the driver is available for download here:
  <a href="http://msdn.microsoft.com/en-us/sqlserver/ff657782.aspx" class="link external">&raquo;&nbsp;SQLSRV 3.0 download</a>. If you need support 
  for PHP 5.2 and/or PHP compiled with VC6, use the 2.0 release of the driver: 
  <a href="http://download.microsoft.com/download/C/D/B/CDB0A3BB-600E-42ED-8D5E-E4630C905371/SQLSRV20.EXE" class="link external">&raquo;&nbsp;SQLSRV 2.0 download</a>.
  </p>
   <p class="para">
   For more information about SQLSRV requirements, see 
   <a href="http://msdn.microsoft.com/en-us/library/cc296170.aspx" class="link external">&raquo;&nbsp;SQLSRV System Requirements</a>.
   </p>
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